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Dissertations / Theses on the topic 'Mine-water chemistry'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Madzivire, Godfrey. "Chemistry and speciation of potentially toxic and radioactive elements during mine water treatment." University of the Western Cape, 2012. http://hdl.handle.net/11394/4585.

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Philosophiae Doctor - PhD<br>Mine water poses a serious environmental challenge and contains elements such as Fe, Al, and Mn in potentially toxic concentrations. The major anion in mine water is sulphate. The complexity and diversity of mine water composition makes its treatment very expensive, and there is no “one-fits-all” treatment option available for mine water. Active treatment of mine water produces water with good quality but the processes are not sustainable because of the costs. Previous studies have shown that acid mine drainage can be treated with coal FA to produce better quality

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2

Winland, Ronald Lee. "Acid Coal Mine Drainage in Ohio: Stream Water Quality, Precipitate Chemistry and Mineralogy." The Ohio State University, 1989. http://rave.ohiolink.edu/etdc/view?acc_num=osu1391770757.

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3

Hunt, Joseph Edward. "Evaluation of Leachate Chemistry from Coal Refuse Blended and Layered with Fly Ash." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/36050.

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Alkaline fly ash has been studied as a liming agent within coal refuse fills to reclaim acid-forming refuse. Previous studies focused on bulk blending ash with acid-forming (pyritic) refuse. A better representation of field conditions is a â pancake layerâ of ash above the refuse. A column study was initiated to evaluate the leachate chemistry from acid-forming refuse-ash bulk blends vs. ash over refuse layers. An acidic and an alkaline ash were blended with, or layered over, acid-forming refuse and sandstone and packed into columns which were leached with deionized water twice a week fo

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4

Segid, Yosief Teklehaimanot. "EVALUATION OF THE TAB-SIMCO ACID MINE DRAINAGE TREATMENT SYSTEM: WATER CHEMISTRY, PERFORMANCE AND TREATMENT PROCESSES." OpenSIUC, 2010. https://opensiuc.lib.siu.edu/theses/203.

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5

Daly, Matthew H. "Hydrogeochemical response of acid-producing mine spoil aquifer to induced alkaline recharge." [Morgantown, W. Va. : West Virginia University Libraries], 1998. http://etd.wvu.edu/templates/showETD.cfm?recnum=180.

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Thesis (M.S.)--West Virginia University, 1998.<br>Title from document title page. Document formatted into pages; contains ix, 137 p. : ill. (some col.), maps (some col.). Includes abstract. Includes bibliographical references (p. 117-124).

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6

Shaw, Meaghan Elizabeth. "Concentration-discharge behavior of contaminants in a stream impacted by acid mine drainage." Kent State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=kent1529320351379744.

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7

Damdinbal, Saruul. "Relationship between Aqueous and Sediment Chemistry and its Impact on Biological Recovery in Acid Mine Drainage-Impaired Streams: Monday Creek, Sunday Creek, Thomas Fork, Raccoon Creek, and Hewett Fork." Ohio University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1461589141.

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8

Mambo, Mutsa Prudence. "Towards a sustainable bioprocess for the remediation of acid mine drainage." Thesis, Rhodes University, 2011. http://hdl.handle.net/10962/d1006167.

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Acid mine drainage is of growing concern for both developing and developed economies. Thus there is increasing pressure to develop alternative remediation strategies. Biological sulphidogenic mechanisms have long since been studied but, very few have been implemented on a large scale. Limitations are due to the inability to acquire a suitable, low cost, environmentally friendly, renewable carbon source. The present study investigated the use of an algae biomass generated by the HRAOP of an IAPS as a carbon source for the EBRU 00AB/06 SRB consortium. The algae biomass and consortium were utiliz

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9

Schleich, Katharine L. "Geochemical Modeling of Processes Affecting Water and Sediment Chemistry and their Relationship to Biological Recovery in an Acid Mine Drainage Remediated Stream." Ohio University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1399477158.

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10

Lundberg, Paula. "Geochemical processes in mine waste subjected to a changing chemical environment: Fe speciation in leachate water from column experiments." Thesis, Luleå tekniska universitet, Geovetenskap och miljöteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-65380.

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Oxidation of sulfidic mine waste is of significant environmental concern due to the consequent formation of acid rock drainage (ARD), deteriorating the water quality of natural water systems. Iron (Fe) and sulfur (S) are two major redox elements involved in these reactions and typically the major redox-sensitive elements (whose solubility, speciation, and mobility are affected by pH and Eh) in water affected by ARD. Measurements of Fe and S species concentrations may reveal valuable information about geochemical processes in mine waste but are typically included when analyzing the chemical com

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11

Bergström, Anna. "Grundvatten i Aitiks gruvområde : En utvärdering av grundvattenkvalitet och provtagningspunkter." Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-157810.

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The aim of this study was to evaluate the quality of the groundwater around the Aitik copper mine- one of Europe’s largest copper mine located 15 km outside of Gällivare, Sweden - as well the placement of the groundwater pipes around the area. The study also included a survey of what kind of terms, regarding groundwater that may become relevant in the future for an activity of Aitik’s size and type. Monitoring data was analysed between the years 2014 – 2018 for the parameters; pH, SO4, Cd, Co, Cu, Zn, Ni and U. The correlation between the parameters where tested and the monitoring data where c

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12

Benlahcen, Abdelmounem. "Modélisation de saumures carbonatees par le traitement multivariable en hydrogéochimie à la mine Niobec de Saint-Honoré (Québec) /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1996. http://theses.uqac.ca.

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13

Karlsson, Ulrika. "Environmental levels of thallium : Influence of redox properties and anthropogenic sources." Doctoral thesis, Örebro : Örebro universitetsbibliotek, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-356.

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14

Ajayi, Toluwaleke. "Modeling Discharge and Water Chemistry Using Artificial Neural Network." Ohio University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1620167556121952.

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15

Gitari, Wilson Mugera. "Evaluation of the leachate chemistry and contaminants attenuation in acid mine drainage by fly ash and its derivatives." Thesis, University of the Western Cape, 2006. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_6041_1254305614.

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<p>This study aimed at understanding the chemistry of the neutralization of the acid mine drainage with fly ash by considering the acid mine drainage : fly ash ratios that produce neutral and alkaline process waters.</p>

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16

Xulu, B. A. "The effects of dissolved solids in process cooling water and mine water on concrete corrosion." Thesis, 1998. http://hdl.handle.net/10413/6311.

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An investigation has been carried out to determine the effects of the dissolved solids in process cooling water (pcw) and mine water (mw) on concrete corrosion. An experimental set up was designed to simulate the process in the cooling towers of Sasol (Pty) Ltd at Secunda. The investigation was carried out using Ordinary Portland Cement (OPC) and Portland Blastfurnace Cement (PBFC). The corrosion process was monitored as a function of time by determining the concentrations of the ions left in solution. This was done using Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) and I

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17

KAVALENCH, Jennifer. "EFFECT OF TAILINGS MINERALOGY AND INFILTRATION WATER CHEMISTRY ON ARSENIC RELEASE FROM HISTORIC GOLD MINE TAILINGS." Thesis, 2010. http://hdl.handle.net/1974/6173.

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The existence of small-scale gold mining in Nova Scotia between 1868 and 1942 has resulted in many high arsenic (As) tailings areas in the province, some of which are near rural/urban areas and are used for recreational activities such as dirt bike racing and all-terrain vehicle (ATV) riding. Because of the natural association of As with gold ore in the Meguma Terrane, processing of ore has resulted in As-rich mine waste that contains up to 2500 times more As than the Canadian soil quality guideline of 12 mg/kg. These high As concentrations in combination with the recreational use of these s

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18

Möhr, Angelika. "Evaluation of the inorganic water chemistry of the Vaal River / Angelika Möhr." Thesis, 2015. http://hdl.handle.net/10394/15424.

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One of the most essential resources for life on our planet is water. A concern for water resource sustainability has shifted towards the sustainable development of clean water body resource (SWDF, 2009). Data for the Vaal River water chemistry is in abundance. However, research on the historic natural conditions influencing the inorganic water quality, is not as extensive. Inorganic data was obtained from the Department of Water Affairs, for the period 1972 to 2011, for identified monitoring stations along the Vaal River. Water quality was evaluated using various geochemical techniques to anal

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19

Letsoalo, Mokgehle Refiloe. "Speciation of arsenic water and sediments from Mokolo and Greate Letaba Rivers, Limpopo Province." Thesis, 2017. http://hdl.handle.net/10386/1927.

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Thesis (M. Sc.(Chemistry)) -- University of Limpopo, 2017.<br>Great Letaba and Mokolo Rivers are major sources of water for domestic use, agriculture and recreational activities in Limpopo Province, South Africa. These Rivers are predisposed to pollution sources from atmospheric deposition of mine dust, emissions from power stations and burning fuel, return flows from agriculture and municipal wastewater discharges and sewage effluents, which may potentially affect the quality of water and the inhabiting biota. Arsenic (As) is an element of prime concern in aquatic systems exposed to such poll

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